| Hauteville-sur-Mer | |
| Commune Status: | Commune |
| Arrondissement: | Coutances |
| Canton: | Quettreville-sur-Sienne |
| Insee: | 50231 |
| Postal Code: | 50590 |
| Mayor: | Jean-René Binet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Coutances Mer et Bocage |
| Coordinates: | 48.9769°N -1.5386°W |
| Elevation M: | 20 |
| Elevation Min M: | 0 |
| Elevation Max M: | 48 |
| Area Km2: | 3.31 |
| Demonym: | Hautais |
Hauteville-sur-Mer (in French pronounced as /otvil syʁ mɛʁ/, literally Hauteville on Sea) is a commune in the Manche department in Normandy in north-western France.